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Tue, 28 Jan 2020 15:50:14 +0000 Date: Tue, 28 Jan 2020 15:50:11 +0000 From: Wei Liu To: Jan Beulich Message-ID: <20200128155011.xblutfe4titdo5ax@debian> References: <20200122202343.5703-1-liuwe@microsoft.com> <20200122202343.5703-6-liuwe@microsoft.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716 Subject: Re: [Xen-devel] [PATCH v4 5/7] x86/hyperv: provide percpu hypercall input page X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Wei Liu , Wei Liu , Paul Durrant , Andrew Cooper , Michael Kelley , Xen Development List , Roger Pau =?utf-8?B?TW9ubsOp?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gVGh1LCBKYW4gMjMsIDIwMjAgYXQgMDQ6NDU6MzhQTSArMDEwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj4gT24gMjIuMDEuMjAyMCAyMToyMywgV2VpIExpdSB3cm90ZToKPiA+IC0tLSBhL3hlbi9h cmNoL3g4Ni9ndWVzdC9oeXBlcnYvaHlwZXJ2LmMKPiA+ICsrKyBiL3hlbi9hcmNoL3g4Ni9ndWVz dC9oeXBlcnYvaHlwZXJ2LmMKPiA+IEBAIC0yNyw3ICsyNywxMCBAQAo+ID4gICNpbmNsdWRlIDxh c20vZ3Vlc3QvaHlwZXJ2LXRsZnMuaD4KPiA+ICAjaW5jbHVkZSA8YXNtL3Byb2Nlc3Nvci5oPgo+ ID4gIAo+ID4gKyNpbmNsdWRlICJwcml2YXRlLmgiCj4gPiArCj4gPiAgc3RydWN0IG1zX2h5cGVy dl9pbmZvIF9fcmVhZF9tb3N0bHkgbXNfaHlwZXJ2Owo+ID4gK0RFRklORV9QRVJfQ1BVX1JFQURf TU9TVExZKHZvaWQgKiwgaHZfcGNwdV9pbnB1dF9hcmcpOwo+IAo+IFdvdWxkIGl0IHBlcmhhcHMg YmUgaGVscGZ1bCB0byBtYWtlIHJlY29nbml6YWJsZSB0aGF0IHRoaXMgY2FuIGhvbGQKPiB1cCB0 byBhIHBhZ2UncyB3b3J0aCBvZiBkYXRhLCBlaXRoZXIgYnkgaXRzIHR5cGUgb3IgYnkgYSBzbGln aHRseQo+IGRpZmZlcmVudCBuYW1lPwoKSSB3aWxsIGNoYW5nZSB0aGlzIHRvIGh2X3BjcHVfaW5w dXRfYXJnX3BhZ2UgaW5zdGVhZC4KCj4gCj4gPiBAQCAtMTE5LDE0ICsxMjIsMzYgQEAgc3RhdGlj IHZvaWQgX19pbml0IHNldHVwX2h5cGVyY2FsbF9wYWdlKHZvaWQpCj4gPiAgICAgIH0KPiA+ICB9 Cj4gPiAgCj4gPiArc3RhdGljIHZvaWQgc2V0dXBfaHlwZXJjYWxsX3BjcHVfYXJnKHZvaWQpCj4g PiArewo+ID4gKyAgICB2b2lkICptYXBwaW5nOwo+ID4gKwo+ID4gKyAgICBpZiAoIHRoaXNfY3B1 KGh2X3BjcHVfaW5wdXRfYXJnKSApCj4gPiArICAgICAgICByZXR1cm47Cj4gPiArCj4gPiArICAg IG1hcHBpbmcgPSBhbGxvY194ZW5oZWFwX3BhZ2UoKTsKPiA+ICsgICAgaWYgKCAhbWFwcGluZyAp Cj4gPiArICAgICAgICBwYW5pYygiRmFpbGVkIHRvIGFsbG9jYXRlIGh5cGVyY2FsbCBpbnB1dCBw YWdlIGZvciBDUFUldVxuIiwKPiA+ICsgICAgICAgICAgICAgIHNtcF9wcm9jZXNzb3JfaWQoKSk7 Cj4gCj4gcGFuaWMoKSBpcyBsaWtlbHkgZmluZSBmb3IgdGhlIEJTUCwgYnV0IEkgZG9uJ3QgdGhp bmsgYW55IEFQIHNob3VsZAo+IGJlIGFibGUgdG8gYnJpbmcgZG93biB0aGUgc3lzdGVtIGJlY2F1 c2Ugb2YgbWVtb3J5IHNob3J0YWdlLiBTdWNoCj4gYW4gQVAgc2hvdWxkIHNpbXBseSBub3QgY29t ZSBvbmxpbmUuIChFdmVuIGZvciB0aGUgQlNQIHRoZSBxdWVzdGlvbgo+IGlzIHdoZXRoZXIgWGVu IHdvdWxkIGJlIGFibGUgdG8gcnVuIGRlc3BpdGUgZmFpbHVyZSBoZXJlLikKClRoaXMgaXMgbm8g ZGlmZmVyZW50IHRoYW4gd2hhdCBpcyBhbHJlYWR5IGRvbmUgZm9yIFhlbiBvbiBYZW4sIGkuZS4K ZmFpbHVyZSBpbiBzZXR0aW5nIHVwIEFQIGZvciBhbnkgcmVhc29uIGlzIGZhdGFsLgoKc3RhcnRf c2Vjb25kYXJ5IGRvZXNuJ3QgZXZlbiBoYW5kbGluZyBhbnkgZmFpbHVyZSBieSBpdHNlbGYgb3IK cHJvcGFnYXRlIGZhaWx1cmUgYmFjayB0byBjYWxsZXIuCgpSZXdpbmRpbmcgaXMgYSBiaXQgY29t cGxleCwgZ2l2ZW4gdGhhdCB3ZSB3b3VsZCBlbmFibGUgaHlwZXJ2aXNvcgpmZWF0dXJlcyB2ZXJ5 IGVhcmx5LgoKVG8gYWNoaWV2ZSB3aGF0IHlvdSB3YW50IGl0IHdvdWxkIHJlcXVpcmUgcmV3cml0 aW5nIG9mIG90aGVyIHBhcnRzIHRoYXQKYXJlIG91dHNpZGUgb2YgaHlwZXJ2aXNvciBmcmFtZXdv cmsuCgpXZWkuCgo+IAo+IEphbgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJv amVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hl bi1kZXZlbA==